/*
 * NodeNurbsCurve2D.cpp
 *
 * Copyright (C) 2003 Th. Rothermel
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program (see the file "COPYING" for details); if 
 * not, write to the Free Software Foundation, Inc., 675 Mass Ave, 
 * Cambridge, MA 02139, USA.
 */

#include <stdlib.h>
#include <stdio.h>
#include <math.h>

#ifndef _WIN32
# include "stdlib.h"
#endif

#include "stdafx.h"
#include "NodeNurbsCurve2D.h"
#include "Scene.h"
#include "FieldValue.h"
#include "SFInt32.h"
#include "MFFloat.h"
#include "MFInt32.h"
#include "MFVec2f.h"
#include "MFVec3f.h"
#include "SFNode.h"
#include "SFBool.h"
#include "SFVec3f.h"
#include "Vec2f.h"
#include "Vec3f.h"
#include "RenderState.h"
#include "DuneApp.h"
#include "NurbsCurveDegreeElevate.h"
#include "Util.h"

ProtoNurbsCurve2D::ProtoNurbsCurve2D(Scene *scene)
  : Proto(scene, "NurbsCurve2D")
{

    controlPoint.set(
          addExposedField(MFVEC2F, "controlPoint", new MFVec2f()));
    tessellation.set(
          addExposedField(SFINT32, "tessellation", new SFInt32(0)));
    weight.set(
          addExposedField(MFDOUBLE, "weight", new MFDouble(), new SFFloat(0.0f)));
    knot.set(
          addField(MFDOUBLE, "knot", new MFDouble()));
    order.set(
          addField(SFINT32, "order", new SFInt32(3), new SFInt32(2)));
}

Node *
ProtoNurbsCurve2D::create(Scene *scene)
{
    return new NodeNurbsCurve2D(scene, this); 
}

NodeNurbsCurve2D::NodeNurbsCurve2D(Scene *scene, Proto *proto)
  : Node(scene, proto)
{
    _chain.resize(0);
    _chainDirty = true;
}

void
NodeNurbsCurve2D::setField(int index, FieldValue *value) 
{
    _chainDirty = true;
    Node::setField(index, value);
}

bool
NodeNurbsCurve2D::writeEXTERNPROTO(int f)
{
    RET_ONERROR( mywritestr(f ,"EXTERNPROTO NurbsCurve2D[\n") )    
    TheApp->incSelectionLinenumber();
    RET_ONERROR( mywritestr(f ," exposedField MFVec2f controlPoint\n") )
    TheApp->incSelectionLinenumber();
    RET_ONERROR( mywritestr(f ," exposedField SFInt32 tessellation\n") )
    TheApp->incSelectionLinenumber();
    RET_ONERROR( mywritestr(f ," exposedField MFFloat weight\n") )
    TheApp->incSelectionLinenumber();
    RET_ONERROR( mywritestr(f ," field MFFloat knot\n") )
    TheApp->incSelectionLinenumber();
    RET_ONERROR( mywritestr(f ," field SFInt32 order\n") )
    TheApp->incSelectionLinenumber();
    RET_ONERROR( mywritestr(f ," ]\n") )
    TheApp->incSelectionLinenumber();
    RET_ONERROR( mywritestr(f ,"[\n") )
    TheApp->incSelectionLinenumber();
    RET_ONERROR( mywritestr(f ," \"urn:web3d:vrml97:node:NurbsCurve2D\",\n") )
    TheApp->incSelectionLinenumber();
    RET_ONERROR( mywritestr(f ," \"urn:inet:blaxxun.com:node:NurbsCurve2D\",\n") )
    TheApp->incSelectionLinenumber();
    RET_ONERROR( mywritestr(f ," \"urn:ParaGraph:NurbsCurve2D\",\n") )
    TheApp->incSelectionLinenumber();
#ifdef HAVE_VRML97_AMENDMENT1_PROTO_URL
    RET_ONERROR( mywritestr(f ," \"") )
    RET_ONERROR( mywritestr(f ,HAVE_VRML97_AMENDMENT1_PROTO_URL) )
    RET_ONERROR( mywritestr(f ,"/NurbsCurve2DPROTO.wrl") )
    RET_ONERROR( mywritestr(f ,"\"\n") )
    TheApp->incSelectionLinenumber();
#else
    RET_ONERROR( mywritestr(f ," \"NurbsCurve2DPROTO.wrl\",\n") )
    TheApp->incSelectionLinenumber();
#endif
    RET_ONERROR( mywritestr(f ," \"http://www.csv.ica.uni-stuttgart.de/vrml/dune/docs/vrml97Amendment1/NurbsCurve2DPROTO.wrl\"\n") )
    TheApp->incSelectionLinenumber();
    RET_ONERROR( mywritestr(f ,"]\n") )
    TheApp->incSelectionLinenumber();
    return true;
}

int             
NodeNurbsCurve2D::write(int filedes, int indent)
{
    if (!_scene->isPureVRML97())
        RET_ONERROR( NodeData::write(filedes, indent) )
    return 0;
}

void
NodeNurbsCurve2D::flip(int index)
{
    if (controlPoint())
        controlPoint()->flip(index);
    _chainDirty = true;
    
}